/*
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (C) 2004 Nik Clayton
 * Copyright (C) 2017 Jérémie Galarneau
 */

#ifdef __cplusplus
extern "C" {
#endif

/* '## __VA_ARGS__' is a gcc'ism. C99 doesn't allow the token pasting
   and requires the caller to add the final comma if they've ommitted
   the optional arguments */
#ifdef __GNUC__
#define ok(e, test, ...)                                                           \
	((e) ? _gen_result(1, __func__, __FILE__, __LINE__, test, ##__VA_ARGS__) : \
	       _gen_result(0, __func__, __FILE__, __LINE__, test, ##__VA_ARGS__))

#define ok1(e)                                                          \
	((e) ? _gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \
	       _gen_result(0, __func__, __FILE__, __LINE__, "%s", #e))

#define pass(test, ...) ok(1, test, ##__VA_ARGS__)
#define fail(test, ...) ok(0, test, ##__VA_ARGS__)

#define skip_start(test, n, fmt, ...)                \
	do {                                         \
		if ((test)) {                        \
			skip(n, fmt, ##__VA_ARGS__); \
			continue;                    \
		}
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* __GNUC__ */
#define ok(e, ...)                                                         \
	((e) ? _gen_result(1, __func__, __FILE__, __LINE__, __VA_ARGS__) : \
	       _gen_result(0, __func__, __FILE__, __LINE__, __VA_ARGS__))

#define ok1(e)                                                          \
	((e) ? _gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \
	       _gen_result(0, __func__, __FILE__, __LINE__, "%s", #e))

#define pass(...) ok(1, __VA_ARGS__)
#define fail(...) ok(0, __VA_ARGS__)

#define skip_start(test, n, ...)              \
	do {                                  \
		if ((test)) {                 \
			skip(n, __VA_ARGS__); \
			continue;             \
		}
#else /* __STDC_VERSION__ */
#error "Needs gcc or C99 compiler for variadic macros."
#endif /* __STDC_VERSION__ */

#define skip_end() \
	}          \
	while (0)  \
		;

#ifdef __MINGW_PRINTF_FORMAT
#define TAP_PRINTF_FORMAT __MINGW_PRINTF_FORMAT
#else
#define TAP_PRINTF_FORMAT printf
#endif

__attribute__((format(TAP_PRINTF_FORMAT, 5, 6))) unsigned int
_gen_result(int, const char *, const char *, unsigned int, const char *, ...);

void _output_test_time(void);

int plan_no_plan(void);
__attribute__((noreturn)) int plan_skip_all(const char *);
int plan_tests(unsigned int);

__attribute__((format(TAP_PRINTF_FORMAT, 1, 2))) unsigned int diag(const char *, ...);
void diag_multiline(const char *);

__attribute__((format(TAP_PRINTF_FORMAT, 2, 3))) int skip(unsigned int, const char *, ...);

__attribute__((format(TAP_PRINTF_FORMAT, 1, 2))) void todo_start(const char *, ...);
void todo_end(void);

int exit_status(void);

#ifdef __cplusplus
}
#endif
